package com.admin.web.controller.system;

import com.admin.common.annotation.Log;
import com.admin.common.constant.UserConstants;
import com.admin.common.core.controller.BaseController;
import com.admin.common.core.domain.AjaxResult;
import com.admin.common.core.domain.Ztree;
import com.admin.common.enums.BusinessType;
import com.admin.framework.util.ShiroUtils;
import com.admin.system.domain.SysMenu;
import com.admin.system.domain.SysRole;
import com.admin.system.service.ISysMenuService;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 菜单信息
 *
 * @author fangchen
 */
@Controller
@RequestMapping("/system/menu")
public class SysMenuController extends BaseController {
    private String prefix = "system/menu";

    @Autowired
    private ISysMenuService menuService;

    @RequiresPermissions("system:menu:view")
    @GetMapping()
    public String menu() {
        return prefix + "/menu";
    }

    @RequiresPermissions("system:menu:list")
    @PostMapping("/list")
    @ResponseBody
    public List<SysMenu> list(SysMenu menu) {
        Long userId = ShiroUtils.getUserId();
        List<SysMenu> menuList = menuService.selectMenuList( menu, userId );
        return menuList;
    }

    /**
     * 删除菜单
     */
    @Log(title = "菜单管理", businessType = BusinessType.DELETE)
    @RequiresPermissions("system:menu:remove")
    @GetMapping("/remove/{menuId}")
    @ResponseBody
    public AjaxResult remove(@PathVariable("menuId") Long menuId) {
        if (menuService.selectCountMenuByParentId( menuId ) > 0) {
            return AjaxResult.warn( "存在子菜单,不允许删除" );
        }
        if (menuService.selectCountRoleMenuByMenuId( menuId ) > 0) {
            return AjaxResult.warn( "菜单已分配,不允许删除" );
        }
        ShiroUtils.clearCachedAuthorizationInfo();
        return toAjax( menuService.deleteMenuById( menuId ) );
    }

    /**
     * 新增
     */
    @GetMapping("/add/{parentId}")
    public String add(@PathVariable("parentId") Long parentId, ModelMap mmap) {
        SysMenu menu = null;
        if (0L != parentId) {
            menu = menuService.selectMenuById( parentId );
        } else {
            menu = new SysMenu();
            menu.setMenuId( 0L );
            menu.setMenuName( "主目录" );
        }
        mmap.put( "menu", menu );
        return prefix + "/add";
    }

    /**
     * 新增保存菜单
     */
    @Log(title = "菜单管理", businessType = BusinessType.INSERT)
    @RequiresPermissions("system:menu:add")
    @PostMapping("/add")
    @ResponseBody
    public AjaxResult addSave(@Validated SysMenu menu) {
        if (UserConstants.MENU_NAME_NOT_UNIQUE.equals( menuService.checkMenuNameUnique( menu ) )) {
            return error( "新增菜单'" + menu.getMenuName() + "'失败，菜单名称已存在" );
        }
        menu.setCreateBy( ShiroUtils.getLoginName() );
        ShiroUtils.clearCachedAuthorizationInfo();
        return toAjax( menuService.insertMenu( menu ) );
    }

    /**
     * 修改菜单
     */
    @GetMapping("/edit/{menuId}")
    public String edit(@PathVariable("menuId") Long menuId, ModelMap mmap) {
        mmap.put( "menu", menuService.selectMenuById( menuId ) );
        return prefix + "/edit";
    }

    /**
     * 修改保存菜单
     */
    @Log(title = "菜单管理", businessType = BusinessType.UPDATE)
    @RequiresPermissions("system:menu:edit")
    @PostMapping("/edit")
    @ResponseBody
    public AjaxResult editSave(@Validated SysMenu menu) {
        if (UserConstants.MENU_NAME_NOT_UNIQUE.equals( menuService.checkMenuNameUnique( menu ) )) {
            return error( "修改菜单'" + menu.getMenuName() + "'失败，菜单名称已存在" );
        }
        menu.setUpdateBy( ShiroUtils.getLoginName() );
        ShiroUtils.clearCachedAuthorizationInfo();
        return toAjax( menuService.updateMenu( menu ) );
    }

    /**
     * 选择菜单图标
     */
    @GetMapping("/icon")
    public String icon() {
        return prefix + "/icon";
    }

    /**
     * 校验菜单名称
     */
    @PostMapping("/checkMenuNameUnique")
    @ResponseBody
    public String checkMenuNameUnique(SysMenu menu) {
        return menuService.checkMenuNameUnique( menu );
    }

    /**
     * 加载角色菜单列表树
     */
    @GetMapping("/roleMenuTreeData")
    @ResponseBody
    public List<Ztree> roleMenuTreeData(SysRole role) {
        Long userId = ShiroUtils.getUserId();
        List<Ztree> ztrees = menuService.roleMenuTreeData( role, userId );
        return ztrees;
    }

    /**
     * 加载所有菜单列表树
     */
    @GetMapping("/menuTreeData")
    @ResponseBody
    public List<Ztree> menuTreeData() {
        Long userId = ShiroUtils.getUserId();
        List<Ztree> ztrees = menuService.menuTreeData( userId );
        return ztrees;
    }

    /**
     * 选择菜单树
     */
    @GetMapping("/selectMenuTree/{menuId}")
    public String selectMenuTree(@PathVariable("menuId") Long menuId, ModelMap mmap) {
        mmap.put( "menu", menuService.selectMenuById( menuId ) );
        return prefix + "/tree";
    }
}